. >> also at the ceremony u.s. marine tommy johnson the son of fallen chicago fire captain herb johnson who was laid to rest thursday after being killed fighting a fire last week. some here pointing out that a life of service is passed down through the generations. >> it's really a special day. veterans day is unique. and it's something where everybody in this country ought to take some time to think about those who served. >> sean lewis, wgn news. >> and there are more questions than answers tonight about the resignation of general david petraeus as head of the c.i.a. citing an extramarital affair for reason for quitting, petraeus handed in his resignation to president obama on thursday. petraeus' affair reportedly with his biographer came to light after possible hacking of the general's personal email account. that investigation reportedly started after broadwell sent threatening emails to another woman. former c.i.a. director general michael hayden says the resignation is sad but the c.i.a. is in good hands. >>